In case you don’t know Multi-Gen LRU is an alternative LRU implementation that optimizes page reclaim and improves performance under memory pressure. Page reclaim decides the kernel’s caching policy and ability to overcommit memory. It directly impacts the kswapd CPU usage and RAM efficiency.

Has anyone enabled this feature on their machines? Have you noticed any performance gains or memory management improvements? It’s developed by Google and is reportedly is being used in ChromeOS and Android.

  • billwashere
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    English
    61 year ago

    I know the feeling. I have a “desktop” that has 640GB of memory. Now I say “desktop” because while it IS desktop I mainly use it for a nested virtualization lab.

    Of course creating a 500gb RAM disk for some ungodly fast file manipulation is not something I’ve ever thought about or done. /s.

    In case you’re wondering it’s an Intel MacPro that just happened to be compatible with the memory in a retired production blade … so yay!

    • @seaQueue
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      21 year ago

      I jammed 64GB into my work laptop sort of by accident (I thought the original kit I ordered was 2x16GB but it was 1x32 so why not keep going) and I have no regrets. 20GB tmpfs for builds? Why not?